ClassID:

29451

B01D46/0027 - CPC Classification

Classification description:

Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions

Sub-classes:
Recent Application in this class:
#1
20260137895
2026-05-21

ANTI-MICROBIAL HEAT AND MOISTURE EXCHANGER

#2
20260131272
2026-05-14

COALESCING FILTER WITH INTERFACE AND ORIENTATION FEATURES

#3
20260084084
2026-03-26

Particulate Filter

#4
20260070015
2026-03-12

SYSTEMS AND METHODS FOR PRODUCING HIGH-PURITY CARBON DIOXIDE FROM CARBON DIOXIDE-CONTAINING GAS STREAMS

#5
20260034484
2026-02-05

MULTI-STAGE FILTRATION SYSTEM

#6
20250312719
2025-10-09

BATTERY POWER MANAGEMENT APPARATUS AND METHOD FOR ELECTRIC VEHICLES AND/OR HYBRID VEHICLES AND/OR AN ELECTRIC VEHICLE AND/OR A HYBRID VEHICLE WHICH PROVIDES FOR ATMOSPHERIC WATER HARVESTING AND/OR HYDROGEN HARVESTING

#7
20250281876
2025-09-11

DECONTAMINATING MATERIALS AND METHODS OF MAKING AND USING SAME

#8
20250243605
2025-07-31

METHOD FOR MANUFACTURING A PHOTOCATALYTIC MULTI-COMPONENT FIBER AND PHOTOCATALYTIC MULTI-COMPONENT FIBER

#9
20250223937
2025-07-10

Multistage Stage Separation Vortex Flow Air Filter

#10
20250108333
2025-04-03

Air Separation Module with a Tubesheet Support Member

#11
20250093057
2025-03-20

METHODS AND SYSTEMS FOR AIR PURIFICATION

#12
20250050156
2025-02-13

PROCESSES AND APPARATUSES FOR CONVERTING POLY- AND PERFLUOROALKYL SUBSTANCES

#13
20250035327
2025-01-30

STEAM GENERATOR

#14
20250001118
2025-01-02

DEVICE AND METHOD OF PRODUCING HYPOXIC AND HYPEROXIC GAS MIXTURES

#15
20240399279
2024-12-05

METHODS AND SYSTEMS FOR REDUCING CONTAMINANTS IN A FEED STREAM

#16
20240216863
2024-07-04

AIR PURIFICATION DEVICE

#17
20240173667
2024-05-30

PLASMA FILTER FACILITY, ELECTRODE FACILITY AND METHOD FOR OPERATING A PLASMA FILTER FACILITY

#18
20240157277
2024-05-16

MULTI-STAGE FILTRATION SYSTEM FOR FUEL CELL HYBRID PROPULSION SYSTEM

#19
20240123390
2024-04-18

Apparatus and methods for air filtration of HVAC systems

#20
20240091683
2024-03-21

FILTER FLUSHING DEVICE AND FILTER FLUSHING METHOD

#21
20240085040
2024-03-14

AIR CLEANER

#22
20240077012
2024-03-07

Compact exhaust gas treatment system with serviceable filter

#23
20240035692
2024-02-01

GAS PURIFICATION ASSEMBLY FOR AIR-CONDITIONING INDOOR UNIT AND AIR-CONDITIONING INDOOR UNIT

#24
20240033395
2024-02-01

AIR STERILISATION UNIT

#25
20240019139
2024-01-18

AIR PURIFIER AND PASSIVE HUMIDITY MODULE

#26
20240017710
2024-01-18

ELECTRIC ACTUATOR AND VEHICLE DRUM BRAKE INCLUDING THE SAME

#27
20230400205
2023-12-14

AIR QUALITY ENHANCEMENT SYSTEM BASED ON FLUID MECHANICS AND INTEGRATED UV EMISSION

#28
20230381699
2023-11-30

METHOD FOR ADJUSTING GROUTING PARAMETERS IN PREPARATION OF CERAMIC COMPOSITE FIBER-BASED CATALYTIC FILTER TUBE, AND METHOD AND DEVICE FOR PREPARING CERAMIC COMPOSITE FIBER-BASED CATALYTIC FILTER TUBE

#29
20230347273
2023-11-02

PRE-FILTER MODULES FOR IMPROVING AIR QUALITY

#30
20230341139
2023-10-26

Systems and methods for treatment of air

#31
20230330585
2023-10-19

HIGH EFFICIENCY FILTER MEDIA

#32
20230321602
2023-10-12

CATALYTIC FILTERS FOR HYDROGENATION AND EMISSIONS CONTROL

#33
20230265773
2023-08-24

LNT regeneration with hydrogen for transport engine application

#34
20230212971
2023-07-06

Exhaust aftertreatment system

#35
20230175715
2023-06-08

INTERACTIVE NIGHTLIGHT WITH AIR CLEANING

#36
20230173473
2023-06-08

A SELECTIVE CATALYTIC REDUCTION CATALYST FOR THE TREATMENT OF AN EXHAUST GAS

#37
20230158269
2023-05-25

ANTI-MICROBIAL HEAT AND MOISTURE EXCHANGERS

#38
20230144967
2023-05-11

ACTIVE AIR PURIFICATION DEVICE

#39
20230140733
2023-05-04

WATER- AND OIL-REPELLENT AGENT COMPOSITION, METHOD FOR PRODUCING SAME, AND ARTICLE

#40
20230114236
2023-04-13

INDUSTRIAL SOLID WASTE INCINERATOR AND FLUE GAS TREATMENT APPARATUS

#41
20230103167
2023-03-30

HVAC air retrieval system for work machine

#42
20230093557
2023-03-23

HUMIDIFIER

#43
20230037326
2023-02-09

Method for adaption of an exhaust treatment system

#44
20220401866
2022-12-22

FILTERING SYSTEM INCLUDING RECYCLABLE CERAMIC CATALYST FILTER AND METHOD OF MANAGING FILTERING SYSTEM

#45
20220325909
2022-10-13

Single pass kill air purifier system and process of operation

#46
20220258150
2022-08-18

PARTICULATE FILTERS

#47
20220226760
2022-07-21

Exhaust gas purification filter

#48
20220219288
2022-07-14

Air circulation system and final polishing apparatus including the same

#49
20220193649
2022-06-23

Exhaust purification filter

#50
20220186950
2022-06-16

Air cleaner

#51
20220186647
2022-06-16

HEATING DEVICE FOR AN EXHAUST SYSTEM AND AN EXHAUST SYSTEM

#52
20220170397
2022-06-02

Exhaust purification filter

#53
20220168721
2022-06-02

CATALYTICALLY ACTIVE PARTICULATE FILTER

#54
20220152560
2022-05-19

Nanobiocatalyst and nanobiocatalytic membrane

#55
20220125986
2022-04-28

Air purifier having ultraviolet disinfection means

#56
20220118391
2022-04-21

HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFYING DEVICE

#57
20220105366
2022-04-07

MASK STRUCTURE WITH EXTERNALLY CONNECTED FILTERING DEVICE

#58
20220096979
2022-03-31

PREPARATION METHOD OF CARBON BLACK SYNTHETIC FILTER MATERIALS AND APPLICATION THEREOF

#59
20220082045
2022-03-17

Methods and systems for an exhaust gas aftertreatment system

#60
20220010711
2022-01-13

Method for operating a urea dosing system in an engine system, and engine system including a urea dosing system

#61
20210404426
2021-12-30

Air intake system for a vehicle

#62
20210387170
2021-12-16

Exhaust treatment system including nickel-containing catalyst

#63
20210372640
2021-12-02

HUMIDIFICATION AND AIR CLEANING APPARATUS

#64
20210322912
2021-10-21

Use of clean and dry gas for particle removal and assembly therefor

#65
20210262678
2021-08-26

Vertical humidifier with stepped evaporator

#66
20210236988
2021-08-05

Air ionization system and device

#67
20210231069
2021-07-29

Device for simulating the evolution process of an internal combustion engine exhaust particle flow for reducing automotive emissions

#68
20210187429
2021-06-24

Filter bags comprising a porous membrane

#69
20210121917
2021-04-29

Powder sieving system using a broad frequency filter

#70
20210101192
2021-04-08

MATERIAL RECYCLING APPARTUS

#71
20210101111
2021-04-08

PROCESS FOR THE REMOVAL OF SULPHUR OXIDES AND NITROGEN OXIDES CONTAINED IN OFF-GAS FROM AN INDUSTRIAL PLANT

#72
20210088236
2021-03-25

Steam generator

#73
20210060487
2021-03-04

Exhaust gas purification catalyst body

#74
20210047953
2021-02-18

Removal of contaminants from air for use in aircraft engines

#75
20210025306
2021-01-28

Method for control of exhaust aftertreatment for diesel engine

#76
20210016257
2021-01-21

Exhaust treatment system including nickel-containing catalyst

#77
20200405934
2020-12-31

DIALYSIS SYSTEM FOR FACILITATING A HEALTH-ENHANCED HOME ENVIRONMENT

#78
20200368680
2020-11-26

Method for Treating Exhaust Gases Containing Sulfur Oxides

#79
20200340434
2020-10-29

Vehicle air cleaner

#80
20200309395
2020-10-01

Air conditioner and method for controlling the same

#81
20200307359
2020-10-01

Portable apparatus and method of purifying air for breathing

#82
20200271029
2020-08-27

Method for operating a particle filter

#83
20200269181
2020-08-27

Filter bags comprising a porous membrane

#84
20200269180
2020-08-27

FILTER BAGS COMPRISING A POROUS MEMBRANE

#85
20200269177
2020-08-27

Air cleaning device

#86
20200232360
2020-07-23

Arrangement of at least two engine-compartment exhaust system components for an internal combustion engine of a motor vehicle, and motor vehicle

#87
20200217234
2020-07-09

Exhaust gas treatment system and method with improved regeneration

#88
20200215474
2020-07-09

AIR TREATMENT SYSTEM

#89
20200188849
2020-06-18

Method and system for the removal of noxious compounds from flue-gas using fabric filter bags with an SCR catalyst

#90
20200182115
2020-06-11

Four way conversion catalysts for gasoline engine emissions treatment systems

#91
20200158358
2020-05-21

Air Intelligent Circulation Filter Window for Confined Space

#92
20200157995
2020-05-21

System and method for exhaust gas aftertreatment of an internal combustion engine

#93
20200149448
2020-05-14

Air-oil separator

#94
20200080523
2020-03-12

Air intake system for a vehicle

#95
20200072171
2020-03-05

Structure for suctioning back blow-back fuel

#96
20200072110
2020-03-05

Exhaust purification apparatus

#97
20200060018
2020-02-20

Corona effect plasma device and plasma reactor

#98
20200046186
2020-02-13

CLEANING APPARATUS FOR REMOVING PESTS AND METHODS OF USING SAME

#99
20200032685
2020-01-30

ENGINE EXHAUST DEVICE

#100
20200030735
2020-01-30

Soot particle filter with storage cells for a catalyst

#101
20200009503
2020-01-09

Air ionization systems and components

#102
20200009502
2020-01-09

Air ionization systems and components

#103
20200001244
2020-01-02

Nanobiocatalyst and nanobiocatalytic membrane

#104
20190383182
2019-12-19

Exhaust system of an internal combustion engine

#105
20190381437
2019-12-19

Long life air filter

#106
20190376432
2019-12-12

Exhaust aftertreatment system and method for regenerating a particulate filter

#107
20190376427
2019-12-12

CONTROL APPARATUS AND METHOD HAVING A CONTROL CLOSED LOOP OBSERVER CONFIGURATION FOR SCR/SCRF COMPONENT

#108
20190376426
2019-12-12

CONTROL APPARATUS AND METHOD WITH NOX SENSOR CROSS SENSITIVITY FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#109
20190374669
2019-12-12

Air ionization system and device

#110
20190353933
2019-11-21

Glasses having air purification function

#111
20190316507
2019-10-17

Exhaust line, exhaust gas purification device, and purification device manufacturing process

#112
20190314943
2019-10-17

Dust collector for electric power tool, electric power tool, and dust collection system

#113
20190308121
2019-10-10

External rack mounted filter for network device

#114
20190277819
2019-09-12

Air pollution sensor to measure major carbon components in the environment

#115
20190242287
2019-08-08

Exhaust gas treatment device comprising an electrochemical cell

#116
20190234281
2019-08-01

NOx storage catalyst monitoring methods

#117
20190234268
2019-08-01

Exhaust purification system of internal combustion engine

#118
20190226372
2019-07-25

SCR catalyst and exhaust gas cleaning system

#119
20190217959
2019-07-18

Foldable RAM air inlet filter

#120
20190217240
2019-07-18

Process for low temperature gas cleaning with ozone and a catalytic bag filter for use in the process

#121
20190211725
2019-07-11

Exhaust gas aftertreatment system and method for exhaust aftertreatment of an internal combustion engine

#122
20190203885
2019-07-04

Tank state-detecting breathing air charger

#123
20190201883
2019-07-04

Photocatalytic filter, method for manufacturing the same, and method for reactivating the same

#124
20190201830
2019-07-04

Membrane method processing system and process for high-concentration salt-containing organic waste liquid incineration exhaust gas

#125
20190184320
2019-06-20

Off-gas conditioning system and method

#126
20190168584
2019-06-06

Filter apparatus for a motor vehicle, and method for operating such a filter apparatus

#127
20190162102
2019-05-30

Control of aftertreatment of an internal combustion engine

#128
20190136741
2019-05-09

CONTROLLER AND CONTROL METHOD FOR ENGINE

#129
20190093539
2019-03-28

Apparatus for purifying exhaust gas

#130
20190085746
2019-03-21

AFTERTREATMENT SYSTEM

#131
20190078477
2019-03-14

Exhaust gas purifying device of internal combustion engine

#132
20190076869
2019-03-14

METHOD FOR OPERATING A SURFACE TREATMENT INSTALLATION AND DEVICE FOR SEPARATING OUT OVERSPRAY

#133
20190056128
2019-02-21

Multi-Purpose Ceiling Fan with Sensors

#134
20190056123
2019-02-21

Ultraviolet light system

#135
20190048771
2019-02-14

Particulate filters

#136
20190040778
2019-02-07

Exhaust treatment system and method for treatment of an exhaust stream

#137
20190003360
2019-01-03

Exhaust gas after-treatment unit for an internal combustion engine

#138
20180363533
2018-12-20

Emissions control systems and methods

#139
20180354829
2018-12-13

WASTEWATER TREATMENT SYSTEM

#140
20180347423
2018-12-06

Exhaust gas after-treatment unit for an internal combustion engine and procedure for using a drive mechanism with such an exhaust gas after-treatment unit

#141
20180328246
2018-11-15

Exhaust gas purification system for an internal combustion engine

#142
20180311647
2018-11-01

Three layer NOadsorber catalyst

#143
20180296959
2018-10-18

Method and system for filter bag unit assembly and filter bag unit

#144
20180283249
2018-10-04

EGR UREA HYDROLYSIS

#145
20180274350
2018-09-27

Natural gas apparatus and method for in-situ processing

#146
20180264157
2018-09-20

Air Treatment System

#147
20180207573
2018-07-26

LONG LIFE FILTER

#148
20180196165
2018-07-12

Anti-UV Mask

#149
20180193787
2018-07-12

Air-permeable filter provided with oil repellency

#150
20180193509
2018-07-12

Air ionization system

#151
20180193508
2018-07-12

Air ionization systems and methods

#152
20180177565
2018-06-28

Process water supply unit for supplying a medical treatment unit, dental medical treatment unit and operating method

#153
20180156089
2018-06-07

Soot oxidation catalyst materials and selective catalytic reduction filter devices incorporating the same

#154
20180142599
2018-05-24

Methods for mitigating over-temperature during an exhaust gas system particulate filter device regeneration

#155
20180142164
2018-05-24

Recycling and recovering method and system of plastic waste product

#156
20180135485
2018-05-17

Selective catalytic reduction filter devices having NOstorage capabilities

#157
20180071415
2018-03-15

REPEATED STERILE USE OF A GAUGE IN A STEAM STERILIZABLE FREEZE-DRYING SYSTEM

#158
20180016958
2018-01-18

Regeneration method for purifying exhaust gas

#159
20170341762
2017-11-30

Air purification system and method of assembling

#160
20170341018
2017-11-30

Carrier gas reclamation system and method

#161
20170333587
2017-11-23

Air ionization systems and methods

#162
20170320013
2017-11-09

CATALYZED FILTRATION MEDIA WITH HIGH SURFACE AREA MATERIAL AND METHOD FOR MAKING THE SAME

#163
20170274315
2017-09-28

Air permeable vent filter, and headlight assembly comprising same

#164
20170274309
2017-09-28

Mechanical system to capture and transform contaminant gases, and method to purify air

#165
20170254244
2017-09-07

Exhaust system, especially for an internal combustion engine of a vehicle

#166
20170254188
2017-09-07

Natural gas apparatus and method for in-situ processing

#167
20170218818
2017-08-03

Exhaust system

#168
20170218813
2017-08-03

Exhaust treatment system and method for treatment of an exhaust stream

#169
20170218812
2017-08-03

Exhaust treatment system and method for treatment of an exhaust stream

#170
20170218811
2017-08-03

Method and system for controlling nitrogen oxide emissions from a combustion engine

#171
20170211442
2017-07-27

EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

#172
20170203402
2017-07-20

Dust collector for electric power tool, electric power tool, and dust collection system

#173
20170183999
2017-06-29

Exhaust apparatus for diesel engine

#174
20170183998
2017-06-29

System and method for purification of an exhaust stream by use of two reduction catalysts

#175
20170175605
2017-06-22

Exhaust gas purification system for an internal combustion engine

#176
20170159618
2017-06-08

Hydrogen on Demand Electrolysis Fuel Cell System

#177
20170152784
2017-06-01

Fault diagnosis apparatus for exhaust gas purification system

#178
20170152780
2017-06-01

Exhaust treatment system and method for treatment of an exhaust stream

#179
20170144128
2017-05-25

Fuel tank inerting prefilter assemblies, devices, and methods of use

#180
20170138240
2017-05-18

System for treating the exhaust gases for a vehicle equipped with internal combustion engine

#181
20170138234
2017-05-18

Holding material, method for producing same, and gas treatment device using same

#182
20170122166
2017-05-04

Device and method comprising double reducing devices and a catalytically coated particle filter for treatment of an exhaust stream

#183
20170119951
2017-05-04

MEMS based filter and catalizer

#184
20170114693
2017-04-27

Exhaust-gas mixer

#185
20170114690
2017-04-27

Systems and methods to reduce reductant consumption in exhaust aftertreatment systems

#186
20170105383
2017-04-20

Environment cleaning system for an animal breeding house

#187
20170096921
2017-04-06

Method for the operation of an exhaust gas aftertreatment system

#188
20170088070
2017-03-30

System for controlling emissions of engine and related method and non-transitory computer readable media

#189
20170087499
2017-03-30

Filter customization systems and methods

#190
20170082003
2017-03-23

Method and system for controlling nitrogen oxide emissions from a combustion engine

#191
20170074143
2017-03-16

EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#192
20170074139
2017-03-16

Exhaust treatment system and method for treatment of an exhaust stream

#193
20170069407
2017-03-09

Electrical apparatus for the generation, transmission, distribution and/or usage of electrical energy and method for recovering a substance from an insulation medium of such an apparatus

#194
20170058750
2017-03-02

Emissions control systems and methods

#195
20170056820
2017-03-02

METHOD AND APPARATUS FOR PURIFYING A GAS CONTAINING POLLUTANTS

#196
20170036155
2017-02-09

Air filter system and air filter element for an air filter system

#197
20170036153
2017-02-09

Particulate filter provided with catalyst and method for manufacturing said filter

#198
20170035927
2017-02-09

Air filtration media for air purification

#199
20170030247
2017-02-02

ENGINE DEVICE

#200
20170030235
2017-02-02

Device and method for impacting the amount of nitrogen oxides in exhaust gases from an internal combustion engine

#201
20170020149
2017-01-26

Dehumidification method and apparatus

#202
20170014757
2017-01-19

Plasma filtration device

#203
20160367932
2016-12-22

Air filtration system

#204
20160367923
2016-12-22

Material separator

#205
20160363339
2016-12-15

Remotely Controllable System For Localized Air Sensing

#206
20160361678
2016-12-15

Peer-to-peer air analysis and treatment

#207
20160361677
2016-12-15

Air analyzer and treatment apparatus

#208
20160360791
2016-12-15

Air Analyzer And Treatment System

#209
20160333486
2016-11-17

3D printed environmental control and life support system

#210
20160332104
2016-11-17

Antibacterial filter comprising copper-based sulfur compound

#211
20160272339
2016-09-22

SCALABLE AIR FILTER CONFIGURATION FOR FUEL TANK INERTING SYSTEM

#212
20160263610
2016-09-15

Coating mist collection apparatus

#213
20160256810
2016-09-08

Oil mist filter

#214
20160256809
2016-09-08

Roomside replaceable fan filter unit

#215
20160250657
2016-09-01

PAINTING INSTALLATION AND METHOD FOR OPERATING A PAINTING INSTALLATION

#216
20160215671
2016-07-28

Exhaust gas purification device

#217
20160175751
2016-06-23

COMPOSITE FILTER SUBSTRATE COMPRISING A MIXTURE OF FIBERS

#218
20160086831
2016-03-24

Methods and apparatuses for deuterium recovery

#219
20160067698
2016-03-10

Photocatalytic filter, method for manufacturing the same, and method for reactivating the same

#220
20160067646
2016-03-10

Roomside replaceable fan filter unit

#221
20150224436
2015-08-13

Assembly for an air conditioning system

#222
20150217220
2015-08-06

GAS-PERMEABLE FILTER IMPARTED WITH OIL REPELLENCY

#223
20150209709
2015-07-30

Filter Element

#224
20150157972
2015-06-11

Demister Apparatus and Method

#225
20150151228
2015-06-04

Filter

#226
20150147246
2015-05-28

Filtration medium and process for filtering a fluid stream

#227
20150128808
2015-05-14

Filter component for motor vehicle air conditioning

#228
20150082988
2015-03-26

AIR FILTER

#229
20150059584
2015-03-05

Filter system with sensor socket

#230
20150059302
2015-03-05

Filter system having a support tube

#231
20150059301
2015-03-05

Filter system with filter element

#232
20150059297
2015-03-05

Air filter system and air filter element for an air filter system

#233
20150059296
2015-03-05

Filter element and filter system with a filter element

#234
20140130673
2014-05-15

Purification arrangements and methods for gas pipeline systems

#235
20140096715
2014-04-10

Apparatus for filtration and gas-vapor mixing in thin film deposition

#236
20140069276
2014-03-13

Process equipment contaminant removal

#237
20130333570
2013-12-19

Mobile apparatus for filtering air

#238
20130034477
2013-02-07

Catalytic filter system

#239
20110308524
2011-12-22

COMPACT MULTIGAS FILTER

#240
20110209609
2011-09-01

Enhanced mercury capture from coal-fired power plants in the filtration baghouse using flue gas temperature as process control knob

#241
20110120067
2011-05-26

FILTER, FILTER ASSEMBLY WITH THE FILTER AND COOLING APPARATUS WITH THE FILTER ASSEMBLY

#242
20110113755
2011-05-19

Filter device for filtering automobile exhaust gas

#243
20100233048
2010-09-16

COMBINATION FILTER ELEMENT

#244
20100126340
2010-05-27

System and method of controlling dust and/or odors with a blower unit and a deployable baffle member

#245
20100000413
2010-01-07

AIR FILTRATION DEVICE

#246
20100000410
2010-01-07

Apparatus for removing of trace of toxic substance from exhaust gas and method of operating the same

#247
20100000203
2010-01-07

Exhaust emission control device

#248
20090293807
2009-12-03

Apparatus for filtration and gas-vapor mixing in thin film deposition

#249
20090275112
2009-11-05

NUTRIENT ADDITIVES FOR START-UP AND SUSTAINED OPERATION OF A BIOLOGICAL FILTER APPARATUS

#250
20090255401
2009-10-15

Integrated waste toner and ozone collection system

#251
20090078121
2009-03-26

Air supply vent filter for air conditioning systems

#252
20080014858
2008-01-17

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